package day3;

import org.junit.Test;

public class xunhuan {
	public static void main(String[] args) {

		for (int i = 1; i <= 5; i++) {

			for (int j = 1; j <= i; j++) {

				System.out.print("*");
			}

			System.out.print("\n");
		}
	}
}
